BPG致力于知识的发现和传播
Total Visits of This Article
2021 | 总访问次数
排名 国家/地区 数量 占比
1 China 281 57.9%
2 United States 127 26.2%
3 Germany 36 7.4%
4 Hong Kong 13 2.7%
5 Canada 13 2.7%
6 Australia 4 0.8%
7 Russia 3 0.6%
8 France 2 0.4%
9 Viet Nam 2 0.4%
10 Japan 2 0.4%
11 Switzerland 1 0.2%
12 Ireland 1 0.2%